/* This function makes sure that there are at least 3 characters in the name field and only valid characters and spaces  are entered in name field*/
function checkName(strng)
{
	var nameRE=/^[a-zA-Z_\s-&]+$/;
	if (strng.length < 3)  
	{
    alert( "Name should have at least 3 characters.\n");
		return false;
	 }
	 else if(!(strng.match(nameRE)))
	{
	   alert("Please enter valid name. Only  valid characters and spaces are allowed");
		 return false;
	}
	else
	{
		return true;
	}
}
	
/* This fuction checks email address entered by user in standard format*/	
	
function checkEmail(emailStr) {

/* The following variable tells the rest of the function whether or not
to verify that the address ends in a two-letter country or well-known
TLD.  1 means check it, 0 means don't. */

var checkTLD=1;

/* The following is the list of known TLDs that an e-mail address must end with. */

var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;

/* The following pattern is used to check if the entered e-mail address
fits the user@domain format.  It also is used to separate the username
from the domain. */

var emailPat=/^(.+)@(.+)$/;

/* The following string represents the pattern for matching all special
characters.  We don't want to allow special characters in the address. 
These characters include ( ) < > @ , ; : \ " . [ ] */

var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";

/* The following string represents the range of characters allowed in a 
username or domainname.  It really states which chars aren't allowed.*/

var validChars="\[^\\s" + specialChars + "\]";

/* The following pattern applies if the "user" is a quoted string (in
which case, there are no rules about which characters are allowed
and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
is a legal e-mail address. */

var quotedUser="(\"[^\"]*\")";

/* The following pattern applies for domains that are IP addresses,
rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
e-mail address. NOTE: The square brackets are required. */

var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;

/* The following string represents an atom (basically a series of non-special characters.) */

var atom=validChars + '+';

/* The following string represents one word in the typical username.
For example, in john.doe@somewhere.com, john and doe are words.
Basically, a word is either an atom or quoted string. */

var word="(" + atom + "|" + quotedUser + ")";

// The following pattern describes the structure of the user

var userPat=new RegExp("^" + word + "(\\." + word + ")*$");

/* The following pattern describes the structure of a normal symbolic
domain, as opposed to ipDomainPat, shown above. */

var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

/* Finally, let's start trying to figure out if the supplied address is valid. */

/* Begin with the coarse pattern to simply break up user@domain into
different pieces that are easy to analyze. */

var matchArray=emailStr.match(emailPat);

if (matchArray==null) {

/* Too many/few @'s or something; basically, this address doesn't
even fit the general mould of a valid e-mail address. */

alert("Email address seems incorrect (check @ and .'s)");
return false;
}
var user=matchArray[1];
var domain=matchArray[2];

// Start by checking that only basic ASCII characters are in the strings (0-127).

for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
alert("Ths username contains invalid characters.");
return false;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
alert("Ths domain name contains invalid characters.");
return false;
   }
}

// See if "user" is valid 

if (user.match(userPat)==null) {

// user is not valid

alert("The username in email address doesn't seem to be valid.");
return false;
}

/* if the e-mail address is at an IP address (as opposed to a symbolic
host name) make sure the IP address is valid. */

var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {

// this is an IP address

for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
alert("Destination IP address is invalid!");
return false;
   }
}
return true;
}

// Domain is symbolic name.  Check if it's valid.
 
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++) {
if (domArr[i].search(atomPat)==-1) {
alert("The domain name does not seem to be valid.");
return false;
   }
}

/* domain name seems valid, but now make sure that it ends in a
known top-level domain (like com, edu, gov) or a two-letter word,
representing country (uk, nl), and that there's a hostname preceding 
the domain or country. */

if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
alert("The email address must end in a well-known domain or two letter " + "country.");
return false;
}

// Make sure there's a host name preceding the domain.

if (len<2) {
alert("This email address is missing a hostname!");
return false;
}

// If we've gotten this far, everything's valid!
return true;
}
/* This funcion checks if phone number entered by user is either all numbers or formats like(XXX)xxx-xxxx*/
function checkPhone(strng){
  //var phoneRE=/^1?[\-]?\(?\d{3}\)?[\-]?\d{3}[\-]?\d{4}$/;
	//var phoneRE=/^(\(\d{3}\)|\d{3}) ?-?\d{3} ?-?\d{4}( ?(x|xtn|ext|extn|extension)?\.? ?\d{1,5})?$/i;
	var phoneRE=/^(\(\d{3}\)|\d{3})?.? ?-?\d{3}?.? ?-?\d{4}( ?(x|xtn|ext|extn|extension)?\.? ?\d{1,5})?$/i;
	 if(!(strng.match(phoneRE)))
	 {
	   alert("Please enter valid 10 digit phone number and extension if available");
		 return false;
	}
	else
	{
		return true;
	}
}



/* This function checks password field for empty field, spaces and if both passwords are equal*/
function checkPassword(strng1,strng2){
	var invalid = " "; // Invalid character is a space
var minLength = 4; // Minimum length
var maxLength = 20;
// check for a value in both fields.
if (strng1.value == '' || strng2.value == '')
{
	alert("Please enter your password twice.");
	return false;
}
else if (strng1.value.length < minLength || strng1.value.length > maxLength)
{
	 alert("Passwords must contain at least 4 characters and cannot be more than 20 characters long.");
	 return false;
}

// check for spaces
else if (strng1.value.indexOf(invalid) > -1) 
{
	alert("Sorry, spaces are not allowed in the password.");
	return false;
}
else if (strng1.value != strng2.value) 
{
	alert ("You did not enter the same password twice. Please re-enter your password.");
	return false;
}
else
	{
		return true;
	}
}

/***RT#17227-BEGIN***/
/***
 A known problem with the Safari browser is using the 'back' browser key.
 When doing so over multiple pages the DOM seems to get horked up. One
 symptom is that the controller and the desired function name within the
 controller get out-of-whack. To alleviate this, we KNOW where we are in
 this controller so let's ensure we have the correct function name in the
 proper variable within the DOM.
 ***/
function validateDOM(thisform)
{
	with(thisform)
	{
		if(method != null && method.value != "leadCapture")
		{ 
			method.value = "leadCapture";
		}
	}
	return true;
}
/***RT#17227-END***/


/*This function validates all required fields and directs user back to respective field in case of error*/
/*
 Note: That this validation code will be used with different configurations of the input form. In order
 to avoid JavaScript errors, which are only displayed if a client is configured to do so, you must check
 for the existence of the configurable fields before you try to use them. However, when checking for the
 existence of a field the 'with' statement does not work. Therefore, you MUST use the form name.
 */
function validateForm(thisform)
{
	/***RT#17227-BEGIN***/
	/* Ensure the DOM is pointed to the correct method for this controller */
	validateDOM(thisform);
	/***RT#17227-END***/

	with(thisform)
	{
		/***RT#19665-BEGIN***/
		/* if(!(checkName(Name.value))) */
		if(!(checkName(name.value)))
		{ 
			name.focus();
			return false;
		}
		/***RT#19665-END***/

		/***RT#19665-BEGIN***/
		/* if(!(checkEmail(Email.value))) */
		if(!(checkEmail(email.value.toLowerCase())))
		{ 
			email.focus();
			return false;
		}
		/***RT#19665-END***/

		/***RT#19665-BEGIN***/
		/* if(Email2.value!='') */
		if(thisform.email2 != null && email2.value!='')
		{ 
	   	if(!(checkEmail(email2.value)))
			{
				email2.focus();
				return false;
			}
		}
		/***RT#19665-END***/

		/***RT#19665-BEGIN***/
		/* if(!(checkPassword(Password,VerifyPassword))) */
		if(thisform.Password != null && thisform.VerifyPassword != null && !(checkPassword(Password,VerifyPassword)))
		{ 
			password.focus();
			return false;
		}
		/***RT#19665-END***/

		/***RT#19665-BEGIN***/
		/* if(Phone.value!='') */
		if(thisform.phone != null && phone.value!='')
		{ 
			if(!(checkPhone(phone.value)))
			{
				phone.focus();
				return false;
			}
		}
		/***RT#19665-END***/

		return true;
	}
}